bank.java

多线程管理系统

 class Bank implements Runnable 
 {
int money=300;
int time1,time2,time3,time4;
Thread accountant1,accountant2,cashier1,cashier2;
public Bank()
{
	accountant1=new Thread(this);
	accountant1.setName("会计");
	accountant2=new Thread(this);
	accountant2.setName("会计");
	cashier1=new Thread(this);
	cashier2=new Thread(this);
	cashier1.setName("出纳");
	cashier2.setName("出纳");
}
public void run()
{
	for(int i=1;i<=3;i++)
	{
		if(Thread.currentThread()==accountant1)
		{
			time1=i;
			saveOrtake(30);
		}
		else if(Thread.currentThread()==cashier1)
		{
			time2=i;
			saveOrtake(30);
		}
	}
	for(int i=4;i<=6;i++)
	{
		if(Thread.currentThread()==accountant2)
		{
			time3=i;
			saveOrtake(45);
		}
		else if(Thread.currentThread()==cashier2)
		{
			time4=i;
			saveOrtake(45);
		}}
	}
	

public synchronized void saveOrtake(int number)
{int i=1;
	if(Thread.currentThread()==accountant1)
	{
		System.out.printf("%s%d\n","今天是星期",time1);
		while(i<=3)
		{i++;
			money=money+number;
			try {
				Thread.sleep(500);
			}
			catch(InterruptedException e)
			{
				
			}
			System.out.printf("%s,目前帐户上有%d万元\n","我是"+accountant1.getName(),money);
		}
	}
	else if(Thread.currentThread()==cashier1)
	{
		System.out.printf("%20s%d\n","今天是星期",time2);
		while(i<=2)
		{i++;
			money=money-number/2;
			try{
				Thread.sleep(500);
			}
			catch(InterruptedException e)
			{
				
			}
			System.out.printf("%20s,目前账上有%d万元\n","我是"+cashier1.getName(),money);
		}
	}
	else if(Thread.currentThread()==accountant2)
	{
		
		while(i<=4)
		{    i++;
			
			try {
				wait();
				money=money+number;
				System.out.printf("%40s%d\n","今天是星期",time3);
				Thread.sleep(500);
			}
			catch(InterruptedException e)
			{
				
			}
			System.out.printf("%40s,目前帐户上有%d万元\n","我是"+accountant2.getName(),money);
		}
	}
	else if(Thread.currentThread()==cashier2)
	{
		
		while(i<=4)
		{   i++;
			
			try{wait();
				money=money-number/3;System.out.printf("%60s%d\n","今天是星期",time4);
			
				Thread.sleep(500);
			}
			catch(InterruptedException e)
			{
				
			}
			System.out.printf("%60s,目前账上有%d万元\n","我是"+cashier2.getName(),money);
		}
	}
	notifyAll();
}
}